New ‘uncrackable’ security system to revolutionise privacy launched by UK, Saudi and US academics
A new, reputedly “uncrackable security system” has been created by researchers at the University of St Andrews in Scotland, Saudi Arabia’s King Abdullah University of Science and Technology (KAUST), and the USA’s Centre for Unconventional Processes of Sciences (CUP Sciences). According to its creators, the system is set to revolutionise communications privacy.
The international team of scientists have created optical chips that enable information to be sent from user to user using a one-time, unhackable communication that achieves ‘perfect secrecy’, allowing confidential data to be protected more securely than ever before on public classical communication channels.
The proposed system uses silicon chips that contain complex structures that are irreversibly changed to send information in a one-time key that can never be recreated nor intercepted by an attacker.
The technology overcomes the major threat of quantum computers, which are soon predicted to be able to crack existing communication methods, uses existing communication networks and takes up less space on networks.
The results, published in the scientific journal Nature Communications, are said to open a new pathway towards implementing ‘perfect secrecy’ cryptography at the global scale with contained costs.
First author, professor Andrea di Falco of the School of Physics and Astronomy at the University of St Andrews, says: “This new technique is absolutely unbreakable, as we rigorously demonstrated in our article.
“It can be used to protect the confidentiality of communications exchanged by users separated by any distance, at an ultrafast speed close to the light limit and in inexpensive and electronic compatible optical chips.”
Current standard cryptographic techniques allow information to be sent quickly but can be broken by future computers and quantum algorithms. The research team says their new method for encrypting data is unbreakable and uses existing communication networks, taking up less space on the networks than traditional encrypted communications.
All current encryptions will be broken
Leader of the study, Dr Andrea Fratalocchi, associate professor of Electrical Engineering at KAUST, say “With the advent of more powerful and quantum computers, all current encryptions will be broken in very short time, exposing the privacy of our present and, more importantly, past communications.
“For instance, an attacker can store an encrypted message that is sent today and wait for the right technology to become available to decipher the communication.
“Implementing massive and affordable resources of global security is a worldwide problem that this research has the potential to solve for everyone, and everywhere. If this scheme could be implemented globally, crypto-hackers will have to look for another job.”
The new technique achieves ‘perfect secrecy’ meaning a hacker will never be able to access the information contained in the communication.
Keys generated by the chip, which unlock each message, are never stored and are not communicated with the message, nor can they ever be recreated, even by the users themselves, adding extra security.
Dr Aluizio Cruz, co-founder and CEO at Centre for Unconventional Processes of Sciences (CUP Sciences) in California and study author, says: “This system is the practical solution the cyber security sector has been waiting for since the perfect secrecy theoretical proof in 1917 by Gilbert Vernam.
“It’ll be a key candidate to solving global cyber security threats, from private to national security, all the way to smart energy grids,” Cruz adds.
The researchers are currently working on developing commercial applications of this patented technology, have a fully functional demo and are building user-friendly software for this system.
The paper, ‘Perfect secrecy cryptography via mixing of chaotic waves in irreversible time-varying silicon chips’ published in Nature Communications, is available here
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